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首页> 外文期刊>The Journal of Prosthetic Dentistry >Survival rates and periimplant soft tissue evaluation of extraoral implants over a mean follow-up period of three years.
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Survival rates and periimplant soft tissue evaluation of extraoral implants over a mean follow-up period of three years.

机译：平均三年随访期内口腔外植入物的存活率和植入物周围软组织评估。

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STATEMENT OF PROBLEM: The use of implants with extraoral prostheses provides excellent support, stability, and retention, thereby offering the potential for improving a patient's appearance and quality of life. However, few studies have examined cumulative survival rates of extraoral implants, nor have these reports documented long-term aspects of treatment, such as soft tissue health around abutments. PURPOSE: The purpose of this study was to evaluate the survival rates and the periimplant soft tissue responses of extraoral implants used to retain facial prostheses. MATERIAL AND METHODS: Thirty-three patients with auricular, nasal, and orbital anatomical compromise were treated with 98 craniofacial and dental implants. Of the 33 patients, 14 had auricular, 9 had nasal, and 10 had orbital defects. After a 3-month osseointegration period, implant-retained prostheses were fabricated. Following completion of treatment, each patient was seen at 6-month intervals. These examinations were recorded for this patient cohort from 25 to 50 months. Data were analyzed using Kaplan-Meier survival analysis. A 5-point scale was used to record the health of periimplant soft tissues. The unit of measure as a visit/site unit was assigned for each instance and implant site. Periimplant soft tissue reactions were assessed for auricular, nasal, and orbital defects, for each implant site used for these patients' treatments. RESULTS: The overall cumulative survival rates were 100% for auricular, 83.3% for nasal, and 77.4% for orbital implants, respectively. The survival rates of the implants were 72.7% for those placed in irradiated sites treated without adjunctive HBO therapy, and 93.4% for implants placed in nonirradiated sites. To evaluate the response of the periimplant soft tissues to the implants, a total of 524 visits/sites were recorded. Absence of inflammation (grade 0) of the periabutment soft tissues was observed in 73.3% of the visits/sites. CONCLUSIONS: The anatomical site into which the implant is placed has an effect on success rate. The auricular site is the most predictable implant site. Survival rates of nasal and orbital implants were found to offer promising results in achieving reliable implant prognoses in these regions. Regardless of the implant site, a decreased survival rate was observed in the irradiated sites. Periimplant soft tissue reactions were most commonly associated with lapses in hygiene.
机译：问题陈述：结合口外假体使用植入物可提供出色的支撑，稳定性和固位力，从而具有改善患者外观和生活质量的潜力。但是，很少有研究检查口外植入物的累积存活率，也没有这些报告记录治疗的长期方面，例如基台周围的软组织健康。目的：本研究的目的是评估用于保留面部假体的口外植入物的存活率和植入物周围软组织反应。材料与方法：对33例耳，鼻和眼眶解剖功能不全的患者进行了98例颅面和牙种植体的治疗。在33例患者中，耳廓14例，鼻孔9例，眼眶缺损10例。经过3个月的骨整合期后，制成了保留植入物的假体。治疗完成后，每6个月间隔一次。这些检查记录了该患者队列的25到50个月。使用Kaplan-Meier生存分析法分析数据。使用5分制量表记录植入物周围软组织的健康状况。为每个实例和植入位置分配了度量单位，作为访问/站点单位。对于这些患者治疗所使用的每个植入部位，评估了植入物周围的软组织反应是否存在耳，鼻和眼眶缺损。结果：耳廓的总体累积生存率分别为100％，鼻腔的83.3％和眼眶植入物的77.4％。放置在未经辅助HBO治疗的受辐照部位的植入物的存活率为72.7％，而放置在未经辐照部位的植入物的存活率为93.4％。为了评估植入物周围软组织对植入物的反应，总共记录了524次访问/部位。在73.3％的就诊/部位中，未观察到周围软组织发炎（0级）。结论：植入物的解剖部位对成功率有影响。耳廓部位是最可预测的植入部位。鼻和眼植入物的存活率被发现为在这些地区实现可靠的植入物预后提供了有希望的结果。无论植入部位如何，在受辐照部位的存活率均下降。种植体周围软组织反应最常见与卫生状况下降有关。

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